Home / 63,301.74-87,315.21-40,604.79

Finding the Fourth Proportional to 63,301.74, 87,315.21 and 40,604.79

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Solution

The fourth proportional to 63,301.74, 87,315.21 and 40,604.79 is: 56,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,301.74 : 87,315.21 = 40,604.79 : x
  2. Step 2: Convert to fraction form
    63,301.74/87,315.21 = 40,604.79/x
  3. Step 3: Cross multiply
    63,301.74x = 87,315.21 × 40,604.79
  4. Step 4: Simplify right side
    63,301.74x = 3,545,415,765.86
  5. Step 5: Solve for x
    x = 3,545,415,765.86/63,301.74
  6. Step 6: Final answer
    x = 56,008.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.